Quantcast 3-10.2.  Inspection.

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ARMY TM 9-2815-253-24 AIR FORCE TO 38G1-93-2 MARINE CORPS TM 2815-24/3 NOTE Nut (6, FIGURE 3-4) has left hand threads. c. Remove nut (6), washer, fan, and fan belt. d. If installed, tag and disconnect electrical leads to temperature sensors. e. Loosen clamps and disconnect inlet and outlet hoses. NOTE Identify location of two shorter capscrews (8) for use during installation. f. Remove five capscrews (7 and 8), two nuts (10), and seven washers (9). g. Slide  water  pump  (11)  with  thermostat  (5)  and  housing  (3)  attached,  from  mounting  studs  (17).   Remove  and discard gasket (12). h. Remove sleeve (13) and two performed packings (14) Discard performed packings. i. Remove mounting plate (15) and gasket (16).  Discard gasket. j. If damaged, remove two mounting studs (17). k. Cover all openings. 3-10.2.  Inspection. a. Inspect pump impeller for damage, corrosion, or missing blades. b. Inspect pump rotation for abnormal noise, binding, and other abnormal conditions. c. Inspect pump housing for cracks, corrosion, or any other damage. d. Inspect sleeve for corrosion or any other damage. e. Inspect mounting studs for damage. 3-10.3.  Installation. a. Remove all covers. b. Clean all mating surfaces of any traces of old gaskets.  Dry all surfaces. CAUTION If two water pump studs (17, FIGURE 3-4) have been removed, they must be Installed and finger tightened.  Do not overtighten as this will cause thread damage preventing a flat sealing surface. c. If removed, install two mounting studs (17) finger tight. d. Install two new preformed packings (14) and sleeve (13). e. Install new gasket (16), mounting plate (15), new gasket (12), and water pump (11). f. Secure  pump  to  crankcase  with  seven  washers  (9)  ,  two  nuts  (10)  and  five  capscrews  (8  and  7).    Install  two shorter capscrews (8) as noted during removal.  Tighten hardware to 186 in-lbs (21.0 Nm). g. Connect inlet and outlet hoses to water pump and tighten hose clamps. h. If removed, install temperature sensors in water pump and connect electrical leads.  Remove tags. NOTE Nut (6) has left hand threads. i. Install fan belt, fan, washer, and nut (6).  Tighten nut (6) to 20 to 24 ft-lbs (27 to 32 Nm). j. Tighten fan belt. k. Service coolant system.  Refer to end item maintenance manual. 3-17


 


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